11686256238 has 8 divisors (see below), whose sum is σ = 23372512488. Its totient is φ = 3895418744.

The previous prime is 11686256209. The next prime is 11686256251. The reversal of 11686256238 is 83265268611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

11686256238 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 973854681 + ... + 973854692.

It is an arithmetic number, because the mean of its divisors is an integer number (2921564061).

Almost surely, 2^11686256238 is an apocalyptic number.

11686256238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11686256238 is a wasteful number, since it uses less digits than its factorization.

11686256238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947709378.

The product of its digits is 829440, while the sum is 48.

The spelling of 11686256238 in words is "eleven billion, six hundred eighty-six million, two hundred fifty-six thousand, two hundred thirty-eight".